Patents by Inventor Rudolf Henglein

Rudolf Henglein has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6192904
    Abstract: A flexible lance for machining or inspecting a tube bottom of a steam generator includes a flexible metallic strip which has recesses disposed one after the other in its longitudinal direction. A flexible supply line is threaded through the recesses and a machining or inspection head is disposed on a free end of the strip.
    Type: Grant
    Filed: September 15, 1997
    Date of Patent: February 27, 2001
    Assignee: Siemens Aktiengesellschaft
    Inventors: Otto Secknus, Rudolf Henglein
  • Patent number: 4693277
    Abstract: A remotely operable tool assembly includes a tool for plugging heat exchanger tubes, the tool including a multi-partite plug to be clamped to a tube, a nut connected to one of the parts of the plug, a tensioning device including a rod to be connected to the nut, and a sleeve surrounding the rod for connection to the nut, a linear drive connected to the rod for moving the rod in a linear direction in turn moving the plug parts into and out of a tensioning position, and a rotary drive coupleable to the sleeve for rotating the sleeve with a screw motion in the tensioning position of the plug parts.
    Type: Grant
    Filed: June 28, 1984
    Date of Patent: September 15, 1987
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Oswald Bieber, Erich Haas, Rudolf Henglein, Bernd Richter